MCQOPTIONS
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MCQOPTIONS
This section includes 2253 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 2251. |
Titanium is added to molten aluminium alloys before casting for the purpose of |
| A. | grain refinement. |
| B. | increasing corrosion resistance. |
| C. | reducing porosity. |
| D. | improving fluidity. |
| Answer» E. | |
| 2252. |
Safety matches is produced using |
| A. | red phosphorus |
| B. | yellow phosphorus |
| C. | black phosphorus |
| D. | elemental sulphur |
| Answer» B. yellow phosphorus | |
| 2253. |
Which one of the following is incombustible ? |
| A. | H2 |
| B. | CCl4 |
| C. | C2H2 |
| D. | S |
| Answer» C. C2H2 | |